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Variation of g with Height

Two particles...

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Two particles of mass 1kg and 2kg are projected upward.Mass 2kg is peojected from top of the towre and mass 1kg projected from basr of the tower of height 40m .If the projection speed of the paeticles are 20m/s and 10m/s respectively. Find the maximum height attained by the center of mas of the system

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u_{B} = 50 m / s

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Variation of g with Height

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